Multiple Choice
In the least squares equation, 
= 10 + 20X the value of 20 indicates
A) the Y intercept.
B) for each unit increase in X,Y increases by 20.
C) for each unit increase in Y,X increases by 20.
D) none of these.
Correct Answer:
Verified
Correct Answer:
Verified
Q9: What is the variable used to predict
Q38: A scatter diagram is a graph that
Q50: A confidence interval can be determined for
Q91: How does the prediction interval for an
Q93: How do we designate the sample coefficient
Q94: The coefficient of correlation,r,is often referred to
Q97: In a regression analysis every value of
Q98: In order to visualize the regression equation
Q99: A sales manager for an advertising agency
Q100: Using the following information: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7522/.jpg" alt="Using